Q: What is the sum of all factors of the number 1,561,668 including 1,561,668?
A: 3,669,120
The factors of the number 1,561,668 are: 1, 2, 3, 4, 6, 12, 181, 362, 543, 719, 724, 1086, 1438, 2157, 2172, 2876, 4314, 8628, 130139, 260278, 390417, 520556, 780834, 1561668.
If you add them up, you will get the total of 3,669,120.